20139538 is an even 8-digits composite number following 20139537
and preceding 20139539 . In scientific notation, it is written as 2.0139538 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 9980544 positive integers (up to 20139538) that are relatively prime to 20139538.
20139538 has 8 divisors, whose sum is 30476988
The reverse of 20139538 is 83593102
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred thirty-nine thousand five hundred thirty-eight
Scientific notation
2.0139538 × 10^7
Engineering notation
2.0139538 × 10^6
Prime Factorization
2 × 113 × 89113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20139538
Product of the distinct prime numbers
The prime factorization of 20139538 is 2 × 113 × 89113.
Since it has a total of 3 prime factors.
3 , 5 , 70 , 6 , 654 , 633 , 683 , 6365 , 52922 , 35770 , 984071 , 545798 , 5721023 , 3197666 , 50403503 , 74300353 , 483968893 , 214739012 , 4712659247 , 4464389231
n×2
40279076
n×3
60418614
n×4
80558152
n×5
100697690
n÷2
10069769
n÷3
6713179.3333333
n÷3
5034884.5
n÷5
4027907.6
n2
405600990853444
n3
8.1686165681306E+21
n4
1.645121637813E+29
n5
3.3131989739356E+36
2 √n
4487.7096608404
3 √n
272.07157322074
4 √n
66.990369911207
5 √n
28.894148515724
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139537
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139538 can be divided by 8 positive divisors.
The sum of these divisors (counting 20139538) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110100111000010010
3
Ternary
1101220012020211
4
Quaternary
1030310320102
5
Quinary
20123431123
6
Senary
1555354334
8
Octal
114647022
10
Decimal
20139538
12
Duodecimal
68b29aa
16
Hexadecimal
1334e12
20
Vigesimal
65h8gi
36
Base36
bznrm
md5
d245cc96124e303c3564749307fe897b
sha1
d9143ad0ca40f99241b4b38db25bf36a8c217273
sha256
23d62ef2ae6a047accc2ec55c738f8ca801a8133c28e609fb1ff9fa848d802d5
sha512
8de1253114cb17127391cec2156a67b73b6af6cebbc4445a478dc60e51f1b6a44785fea78862f9e2a5546dd4d54daa2481fcc6d0e00ec0fe61cdbda7649671c7
ripemd-160
fcdd71f89b56c8dd54d45fb1d8585cdc79835fb7
Diameter
40279076
Circumference
126540449.25498
Area
1.2742330931539E+15
Volume
3.4216621067241E+22
Surface area
5.0969323726157E+15
Circumference
126540449.25498
Perimeter
80558152
Area
405600990853444
Diagonal
28481607.779528
Surface area
2433605945120664
Volume
8.1686165681306E+21
Space diagonal
34882703.056964
Perimeter
60418614
Area
1.7563038093961E+14
Altitude
17441351.528482
Surface area
1.7563038093961E+14
Volume
9.6268069470632E+20
Height
9493869.2598428